We present a static model of aggregate demand and unemployment. The economy has a nonproduced good, a produced good, and labor. Product and labor markets have matching frictions. A general equilibrium is a set of prices, market tightnesses, and quantities such that buyers and sellers optimize given prices and tightnesses, and actual tightnesses equal posted tightnesses. In each frictional marke...

A green and efficient one-pot three component reaction of 4-hydroxycoumarin or 1,3-dimethylbarbutyric acid, aryl glyoxals and amides (thioacetamide) has been developed in the presence of BF3- SiO2 nanoparticles in water. This method has several advantages such as high to excellent product yields in short reaction time, atom economy, environment friendly, reusable catalyst and no need for chroma...

The paper examines the interactions between economic integration and population agglomeration in a middle product economy displaying neoclassical growth. There are two vertically integrated economies. Each consists of a large number of final good competitive firms operating plants in both regions, and a large number of intermediate goods monopolistically competitive firms operating each in only...

The U.S. economy increasingly relies on the internet as a critical infrastructure for enabling business processes from product design, engineering and supply chain management upstream through sale and fulfillment of product downstream. As a result, there is much interest in the vulnerability of the U.S. economy to targeted and large-scale disruptions of the information infrastructure. Here we p...

Digital product passports have been proposed as a policy instrument to enable decision-making throughout life cycles in favour of circular economy. However, due nascent conceptualisation and weak industrial embeddedness, the contents such an are source uncertainty. Situated mechatronics context, this multiple-case study explores data needs for digital passports. Extant research reveals seven cl...

according to the importance of careful review of crude oil market fluctuations on the iranian economy, in this paper a multivariate model of markov switching vector error correction model (have been used). variables such as real gross domestic product in industrial sector, real effective exchange rate, real governmental expenditure, real import, inflation rate and real crude oil price is used t...

In this paper, we provide an overview of the changing design and manufacturing landscape in the 21 century that has come about because of the arrival of IT and the changing global conditions. Based on this overview and a review of the current state of IT for PLM support in the design and manufacturing sector, we identify the areas of need for standards. A review of areas covered by standards le...

(2014) New product development in an emerging economy: analysing the role of supplier involvement practices by using Bayesian Markov chain Monte Carlo technique. The research question is whether the positive relationship found between supplier involvement practices and new product development performances in developed economies also holds in emerging economies. The role of supplier involvement ...

REAL GROSS domestic product (GDP) decreased at an annual rate of 6.2 percent in the fourth quarter of 2008, according to the “preliminary” estimates of the national income and product accounts (NIPAs) (chart 1 and table1).1 In the third quarter, real GDP declined 0.5 percent. The fourth-quarter decrease was the largest since the first quarter of 1982. It was revised down 2.4 percentage points f...

In this work, we address one of the overall shortcomings of atom economy and the limited scope of the boundaries chosen. While atom economy is not the only measure of a process' sustainability, it is a valid comparison from a materials usage view. With this in mind, many publications in green chemistry focus on atom economy as a method for estimating the environmental impacts of a reaction sche...